try adding service nav

app/templates/components/service_nav.html

@@ -1,3 +1,4 @@
+<nav id="nav-service-nav" aria-label="Service navigation">
 <div class="navigation-service margin-top-5 display-flex flex-align-end flex-justify border-bottom padding-bottom-1">
   {% if current_service.organization_id %}
     {% if current_user.platform_admin or
@@ -13,3 +14,4 @@
   </div>
   <a href="{{ url_for('main.choose_account') }}" class="usa-link">Switch service</a>
 </div>
+</nav>